package com.zhou.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
       int[] vals = constraintAnnotation.vals();
       for (int val : vals){
           set.add(val);
       }
    }


    /**
     *
     * @param integer 需要校验的值
     * @param constraintValidatorContext
     * @return
     */

    //判断是否校验成功
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {

        return set.contains(integer);
    }
}
